C232212111133133312331333133313121111331333133313331333133313221232311   >>    C23221211113313331233133313331312111133133313331333133313331322123231   <<    C232212111133133312331333133313121111331333133313331333133313221232313   >>      C232212111133133312331333133313121111331333133313331333133313221232312   >>